Home / 2,150.40-2,967.60-1,206.18

Finding the Fourth Proportional to 2,150.40, 2,967.60 and 1,206.18

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Solution

The fourth proportional to 2,150.40, 2,967.60 and 1,206.18 is: 1,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.40 : 2,967.60 = 1,206.18 : x
  2. Step 2: Convert to fraction form
    2,150.40/2,967.60 = 1,206.18/x
  3. Step 3: Cross multiply
    2,150.40x = 2,967.60 × 1,206.18
  4. Step 4: Simplify right side
    2,150.40x = 3,579,459.77
  5. Step 5: Solve for x
    x = 3,579,459.77/2,150.40
  6. Step 6: Final answer
    x = 1,664.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.